Standard display
Press and hold the 
button on
the
steering wheel until the Trip menu with
odometer 1 and trip odometer 2 is
shown.
See also:
Towing the vehicle with the rear axle raised
Only possible on vehicles without
4MATIC.
When towing your vehicle with the rear axle
raised, it is important that you observe the
safety instructions.
The ignition must be switched
off if ...
Activation conditions
You can activate the HOLD function if:
Rthe vehicle is stationary.
Rthe engine is running.
Rthe driver's door is closed or if your seat belt is fastened.
Rthe electric parking brake is released.
...
Checking the oil level using the onboard
computer
On vehicles with a 12-cylinder engine, the oil
level can be checked using the on-board
computer. On all other models, the dipstick
must be used to check the engine oil level.
Park the vehicle ...